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Related party transaction number of properties.

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Shares received in exchange of share issued.

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Termination fees.

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Carrying amount as of the balance sheet date of obligations due all related parties.

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Amount of dividend income on nonoperating securities.

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Total investments in (A) an entity in which the entity has significant influence, but does not have control, (B) subsidiaries that are not required to be consolidated and are accounted for using the equity and or cost method, and (C) an entity in which the reporting entity shares control of the entity with another party or group. Includes long-term advances receivable from a party that is affiliated with the reporting entity by means of direct or indirect ownership.

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Yield on the receivable, on which interest has been imputed, as calculated from its issuance value or purchase price. The calculated effective interest rate considers factors such as the issued face value or price paid for the receivable, the time period between payments, and the time until maturity [full receipt] of the receivable.

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Number of new stock issued during the period.

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Related Party Transactions - Additional Information (Detail) $ / shares in Units, shares in Thousands		1 Months Ended	12 Months Ended
	Jun. 30, 2015 USD ($) shares	Jun. 30, 2015	Dec. 31, 2017 USD ($) Property $ / shares	Dec. 31, 2016 USD ($)	Dec. 31, 2015 USD ($)	Dec. 31, 2014 USD ($)
Related Party Transaction [Line Items]
Due to related parties			$ 722,000	$ 364,000
Issuance of shares of common stock			313,490,000	275,782,000	$ 329,795,000
Carrying value of investment			10,000,000	10,000,000
Preferred distributions related to investment			737,000	713,000	350,000
Manager and Asset Manager
Related Party Transaction [Line Items]
Due to related parties			722,000	364,000
BRE
Related Party Transaction [Line Items]
Issuance of shares of common stock, shares \| shares	139
Issuance of shares of common stock	$ 10,000,000
Percentage of ownership in related party at the time of transaction	6.40%
Carrying value of investment				10,000,000	10,000,000
Preferred distributions related to investment			$ 737,000	713,000	350,000
BRE \| Non-Voting Convertible Preferred Units
Related Party Transaction [Line Items]
Shares received in exchange of share issued \| shares	100
Conversion period of preferred unit, Start date	Jan. 01, 2018
Conversion period of preferred unit, End date	Dec. 31, 2019
Percentage of annual preferred return of units	7.00%
Percentage of Increase in annual preferred return of units	0.25%
VNN
Related Party Transaction [Line Items]
Related party transaction, expenses from transactions with related party				3,075,000	3,181,000
Property Management Agreement
Related Party Transaction [Line Items]
Received advance operating interest rate			1.00%
Received guarantee agreement interest rate			0.05%
Advances or guarantees fees outstanding or received				0	0	$ 0
Termination fees			$ 14,965,000
Property Management Agreement \| Amendment Details
Related Party Transaction [Line Items]
Percentage of gross purchase price paid		1.00%
Property Management Agreement \| Amendment Details One
Related Party Transaction [Line Items]
Percentage of gross purchase price paid		2.00%
Property Management Agreement \| Amendment Details Two
Related Party Transaction [Line Items]
Percentage of gross sale price received		1.00%
Property Management Agreement \| Existing Tenant
Related Party Transaction [Line Items]
Existing rental property re-leasing fees term			1 month
Property Management Agreement \| New Tenant
Related Party Transaction [Line Items]
Existing rental property re-leasing fees term			2 months
Property Management Agreement \| 3% Gross Rentals Property
Related Party Transaction [Line Items]
Gross rental percentage			3.00%
Property Management Agreement \| 5% Gross Rentals Property
Related Party Transaction [Line Items]
Gross rental percentage			5.00%
Number of property \| Property			1
Asset Management Agreement
Related Party Transaction [Line Items]
Receivable interest rate			1.00%
Interest rate paid from proceed			0.50%
Deferred Compensation Interest Rate			7.00%
Deferred compensation				0	$ 0	$ 0
Asset Management Agreement \| Minimum
Related Party Transaction [Line Items]
Cumulative distribution per share \| $ / shares			$ 3.50
Asset Management Agreement \| Maximum
Related Party Transaction [Line Items]
Termination fees			$ 44,263,000
Asset Management Agreement \| Amendment Details
Related Party Transaction [Line Items]
Percentage of gross purchase price paid		1.00%
Asset Management Agreement \| Amendment Details One
Related Party Transaction [Line Items]
Percentage of gross purchase price paid		2.00%
Asset Management Agreement \| Amendment Details Two
Related Party Transaction [Line Items]
Percentage of gross sale price received		1.00%
Accounts Payable and Other Liabilities \| VNN
Related Party Transaction [Line Items]
Related party transaction, expenses from transactions with related party				$ 350,000